[postgis-devel] Validity flag

Hugo Mercier hugo.mercier at oslandia.com
Mon Mar 7 06:00:48 PST 2016

On 06/03/2016 18:15, Paul Ramsey wrote:
> It's a quick read at the front, rather than a full traversal to the end.
> You can't know where the end is without parsing the stuff in the middle.

Can't we ?
Since it's a varlena, we have access to the total size of the
GSERIALIZED right ? So it seems to be a simple pointer arithmetic. Or am
I missing something ?

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